BARR MC47-27-99777 Mercruiser Log Manifold To Riser Gasket Replacement log exhaust manifold to riser/elbow gasket Replaces 27-52076, 27-99777 and 18-2833 To suit Mercruiser 4 cylinder 2.5, 3.0L, 6 cylinder 165 and V8 198, 228, 255, 260 and 898 Suittable...